<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style>
		div{
			width: 100px;
			height: 100px;
			background-color: red
		}
		p{
			width: 50px;
			height: 50px;
			background-color: blue
		}
	</style>
</head>
<body>
	<!--注释
					<!--inner-->
				内容-->
	<div>
		<p>
	</div>
		</p>
</body>
</html>







